2024 MI DOS Practice Test 18 Based on 2024 MI Driver's Handbook 21. What type of sign is this? A U. S. route sign. B County route sign. C State route sign. D Interstate route sign. Next More 21/30 Progress 0 Errors Restart Next Next MI Permit Practice Test 18 Back to Test List MI Permit Practice Test 17 MI Permit Practice Test 19 Challenge Library 12 More MI DOS Practice Tests 1 MI Permit Practice Test 1 2 MI Permit Practice Test 2 3 MI Permit Practice Test 3 4 MI Permit Practice Test 4 5 MI Permit Practice Test 5 6 MI Permit Practice Test 6 7 MI Permit Practice Test 7 8 MI Permit Practice Test 8 9 MI Permit Practice Test 9 19 MI Permit Practice Test 19